extensor muscle, any of the muscles that increase the angle between members of a limb, as by straightening the elbow or knee or bending the wrist or spine backward.

Extensor muscles are skeletal muscles that play a significant role in human movement. They are responsible for extending or straightening joints, increasing the angle between bones connected at a …

Extension usually results in straightening of the bones or body surfaces involved. For example, extension is produced by extending the flexed (bent) elbow. Straightening of the arm would require …

Nov 1, 2025 · The meaning of EXTENSOR is a muscle serving to extend a bodily part (such as a limb).

Jun 8, 2025 · Extensors are muscles that increase the angle between members of a limb, such as by straightening the elbow or knee or bending the wrist or spine backward. The muscles that initiate …

1. causing extension. 2. a muscle that extends a joint; see muscle. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint …

An extensor is a type of skeletal muscle that serves to extend or straighten a joint, moving bones away from each other. Extensors work in opposition to flexor muscles, which bend joints and bring bones …

The flexor and extensor muscle groups are two fundamental categories of skeletal muscles that control joint movement by producing opposing actions: flexion and extension. Flexors decrease the angle …

Oct 29, 2024 · Extensor muscles are fundamental for various movements, from grasping objects with our hands to walking or running. These muscles, found predominantly on the posterior aspect of our …

Extensor muscles straighten a joint (increase the angle), while flexor muscles bend a joint (decrease the angle). For instance, in your arm, the triceps is the extensor that straightens the elbow, while the …